Block details.
Epoch: 56 Number of transactions in block: 1 slot_no: 1227887 epoch_slot_no: 18287 block_no: 1227706 slot_leader_id: 12 size: 1024 time: 2018-07-05 03:20:31 proto_major: 0 proto_minor: 1 hash: \xe31665d94a8b561e833006c06fb20c0f98913c6367d2f61f215beafe3d4d3d2cBlock Operator
vrf_key: op_cert: op_cert_counter: